Home / 930,393,675.60-1,283,951,763.72-512,720,946.96

Finding the Fourth Proportional to 930,393,675.60, 1,283,951,763.72 and 512,720,946.96

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Solution

The fourth proportional to 930,393,675.60, 1,283,951,763.72 and 512,720,946.96 is: 707,559,586.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,393,675.60 : 1,283,951,763.72 = 512,720,946.96 : x
  2. Step 2: Convert to fraction form
    930,393,675.60/1,283,951,763.72 = 512,720,946.96/x
  3. Step 3: Cross multiply
    930,393,675.60x = 1,283,951,763.72 × 512,720,946.96
  4. Step 4: Simplify right side
    930,393,675.60x = 658,308,964,145,480,576
  5. Step 5: Solve for x
    x = 658,308,964,145,480,576/930,393,675.60
  6. Step 6: Final answer
    x = 707,559,586.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.